:root {
  --bg: #f7f8f5;
  --surface: #ffffff;
  --surface-muted: #f1f4ef;
  --text: #111827;
  --muted: #667085;
  --border: #dfe4dc;
  --border-strong: #c7d0c2;
  --green: #5f7f12;
  --green-soft: #edf6dc;
  --blue: #255e7e;
  --blue-soft: #eaf4f8;
  --amber: #8a5a10;
  --amber-soft: #fff4dc;
  --gray-soft: #eef0f1;
  --shadow: 0 18px 48px rgba(22, 33, 26, 0.08);
  --radius: 8px;
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

a {
  color: inherit;
}

button,
input {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(37, 94, 126, 0.28);
  outline-offset: 3px;
}

.lab-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 14px 0;
  background: rgba(247, 248, 245, 0.9);
  backdrop-filter: blur(14px);
}

.lab-brand,
.lab-nav {
  display: inline-flex;
  align-items: center;
}

.lab-brand {
  gap: 10px;
  font-weight: 780;
  text-decoration: none;
}

.lab-brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  color: var(--green);
  background: var(--green-soft);
  font-size: 0.8rem;
  letter-spacing: 0;
}

.lab-nav {
  gap: 14px;
  color: var(--muted);
  font-size: 0.94rem;
}

.lab-nav a {
  text-decoration: none;
}

.lab-nav a:hover {
  color: var(--text);
}

.lab-shell {
  width: min(100% - 32px, var(--max-width));
  margin: 0 auto;
  padding: 34px 0 56px;
}

.lab-intro {
  display: grid;
  gap: 22px;
  align-items: end;
  margin-bottom: 28px;
}

.lab-eyebrow {
  margin: 0 0 8px;
  color: var(--green);
  font-size: 0.88rem;
  font-weight: 760;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 10px;
  font-size: clamp(2.15rem, 7vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.35rem, 4vw, 1.8rem);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 8px;
  font-size: 1.06rem;
  line-height: 1.2;
}

.lab-intro p:last-child {
  max-width: 660px;
  margin-bottom: 0;
  color: var(--muted);
}

.lab-summary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.lab-summary span {
  min-width: 120px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 14px;
  color: var(--muted);
  background: var(--surface);
}

.lab-summary strong {
  display: block;
  color: var(--text);
  font-size: 1.35rem;
  line-height: 1.1;
}

.lab-controls {
  display: grid;
  gap: 14px;
  align-items: end;
  margin-bottom: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px;
  background: var(--surface);
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.02);
}

.lab-search {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 700;
}

.lab-search input {
  width: 100%;
  min-height: 44px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
  color: var(--text);
  background: #ffffff;
}

.lab-search input:focus {
  border-color: rgba(37, 94, 126, 0.48);
  outline: none;
  box-shadow: 0 0 0 4px rgba(37, 94, 126, 0.12);
}

.lab-filter {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.filter-button {
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--muted);
  background: #ffffff;
  cursor: pointer;
  font-weight: 720;
}

.filter-button:hover,
.filter-button.is-active {
  border-color: rgba(37, 94, 126, 0.24);
  color: var(--blue);
  background: var(--blue-soft);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 14px;
}

.section-head p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.page-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-card {
  display: grid;
  min-height: 220px;
  align-content: start;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  color: var(--text);
  background: var(--surface);
  text-decoration: none;
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.02);
  transition:
    border-color 160ms ease,
    box-shadow 160ms ease,
    transform 160ms ease;
}

a.page-card:hover {
  border-color: rgba(37, 94, 126, 0.28);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}

.page-card p {
  margin-bottom: 0;
  color: var(--muted);
}

.page-card.is-disabled {
  color: #4b5563;
  background: var(--surface-muted);
}

.status-badge {
  width: fit-content;
  border-radius: 999px;
  padding: 5px 9px;
  font-size: 0.78rem;
  font-weight: 780;
}

.status-active {
  color: var(--green);
  background: var(--green-soft);
}

.status-draft {
  color: var(--amber);
  background: var(--amber-soft);
}

.status-archive {
  color: #475467;
  background: var(--gray-soft);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 2px;
}

.tag-list span {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 5px 9px;
  color: #344054;
  background: #ffffff;
  font-size: 0.82rem;
  font-weight: 680;
}

.card-action {
  align-self: end;
  width: fit-content;
  margin-top: auto;
  color: var(--blue);
  font-weight: 780;
}

.empty-state {
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  padding: 26px;
  color: var(--muted);
  background: rgba(255, 255, 255, 0.62);
}

.empty-state p {
  margin-bottom: 0;
}

@media (min-width: 700px) {
  .lab-intro,
  .lab-controls {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .lab-filter {
    grid-template-columns: repeat(4, minmax(82px, 1fr));
  }

  .page-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .lab-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .section-head {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }
}